1 /**
2 * Copyright (c) 2021-2022 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #include "runtime/include/vtable_builder.h"
17 #include "runtime/include/class_linker.h"
18
19 namespace panda {
20
21 // check max-specific method or not according to JVM specs chap5.4.3.3
22 // we have to guarantee that while we are iterating itable, the child interface has to be accessed before father
23 // interface. interface without inheritance has no limit.
IsMaxSpecificMethod(const Class * iface,const Method & method,size_t startindex,const ITable & itable)24 bool IsMaxSpecificMethod(const Class *iface, const Method &method, size_t startindex, const ITable &itable)
25 {
26 for (size_t j = startindex; j < itable.Size(); j++) {
27 auto current_iface = itable[j].GetInterface();
28 if (iface->IsAssignableFrom(current_iface)) {
29 for (auto &curmethod : current_iface->GetVirtualMethods()) {
30 if (method.GetName() == curmethod.GetName() && method.GetProto() == curmethod.GetProto()) {
31 ASSERT(curmethod.IsAbstract());
32 return false;
33 }
34 }
35 }
36 }
37 return true;
38 }
39
40 } // namespace panda
41